162572800

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:1018

約数の個数: 120

約数和(自身を含む): 434214396

約数和(自身を除く): 271641596

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 512, 520, 640, 650, 800, 832, 977, 1040, 1280, 1300, 1600, 1664, 1954, 2080, 2560, 2600, 3200, 3328, 3908, 4160, 4885, 5200, 6400, 6656, 7816, 8320, 9770, 10400, 12701, 12800, 15632, 16640, 19540, 20800, 24425, 25402, 31264, 33280, 39080, 41600, 48850, 50804, 62528, 63505, 78160, 83200, 97700, 101608, 125056, 127010, 156320, 166400, 195400, 203216, 250112, 254020, 312640, 317525, 390800, 406432, 500224, 508040, 625280, 635050, 781600, 812864, 1016080, 1250560, 1270100, 1563200, 1625728, 2032160, 2501120, 2540200, 3126400, 3251456, 4064320, 5080400, 6252800, 6502912, 8128640, 10160800, 12505600, 16257280, 20321600, 32514560, 40643200, 81286400, 162572800]

約数ペア:

[(1, 162572800), (2, 81286400), (4, 40643200), (5, 32514560), (8, 20321600), (10, 16257280), (13, 12505600), (16, 10160800), (20, 8128640), (25, 6502912), (26, 6252800), (32, 5080400), (40, 4064320), (50, 3251456), (52, 3126400), (64, 2540200), (65, 2501120), (80, 2032160), (100, 1625728), (104, 1563200), (128, 1270100), (130, 1250560), (160, 1016080), (200, 812864), (208, 781600), (256, 635050), (260, 625280), (320, 508040), (325, 500224), (400, 406432), (416, 390800), (512, 317525), (520, 312640), (640, 254020), (650, 250112), (800, 203216), (832, 195400), (977, 166400), (1040, 156320), (1280, 127010), (1300, 125056), (1600, 101608), (1664, 97700), (1954, 83200), (2080, 78160), (2560, 63505), (2600, 62528), (3200, 50804), (3328, 48850), (3908, 41600), (4160, 39080), (4885, 33280), (5200, 31264), (6400, 25402), (6656, 24425), (7816, 20800), (8320, 19540), (9770, 16640), (10400, 15632), (12701, 12800)]